Base | Representation |
---|---|
bin | 111101110011100000101 |
3 | 10210220002012 |
4 | 13232130011 |
5 | 1004301341 |
6 | 111224005 |
7 | 23133302 |
oct | 7563405 |
9 | 3726065 |
10 | 2025221 |
11 | 1163640 |
12 | 818005 |
13 | 55ba73 |
14 | 3aa0a9 |
15 | 2a00eb |
hex | 1ee705 |
2025221 has 4 divisors (see below), whose sum is σ = 2209344. Its totient is φ = 1841100.
The previous prime is 2025217. The next prime is 2025241. The reversal of 2025221 is 1225202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2025221 - 22 = 2025217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2025196 and 2025205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2025211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92045 + ... + 92066.
It is an arithmetic number, because the mean of its divisors is an integer number (552336).
22025221 is an apocalyptic number.
It is an amenable number.
2025221 is a deficient number, since it is larger than the sum of its proper divisors (184123).
2025221 is a wasteful number, since it uses less digits than its factorization.
2025221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184122.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 2025221 is about 1423.1025964420. The cubic root of 2025221 is about 126.5195020629.
The spelling of 2025221 in words is "two million, twenty-five thousand, two hundred twenty-one".
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